SMA SC 400HE - Manual (Page 54)

4 Sunny Central Control SMA Solar Technology AG
54 SC4-63HE-BE-BEN103280 Operating Manual
4.8.12 Displaying Error Messages and Warnings for the Reactive
Power Setpoint
The "Q-VArModFailStt" channel shows the error messages or warnings associated with the reactive
power setpoint
Displaying the "Q-VArModFailStt" channel
• Select Spot Values > Outp.react.pow. > Q-VArModFailStt.
Display Description Measure
Off No procedure for specifying the reactive
power setpoint has been chosen. None
OK A procedure for specifying the reactive
power setpoint has been chosen and
there are no errors. None
ComFail The "VArCtlCom" or "PFCtlCom"
procedure has been chosen and the
expected signal with a valid reactive
power setpoint has been absent for at
least 5 minutes. • Check whether
Sunny Central Control is working.
• Check whether the
Sunny Central Control can be
accessed from outside and is
displaying the data of the inverter.
• Check whether the cables
between the
Sunny Central Control and the
inverters are OK.
• Check whether the cables inside
the Sunny Central Control are OK.
AnInFail The "VArCnstNomAnIn" or
"PFCnstNomAnIn" procedure has been
chosen and the value measured at the
analog input is less than 2 mA. • Check the analog input.